Home / 37,148.16-51,264.32-20,381.44

Finding the Fourth Proportional to 37,148.16, 51,264.32 and 20,381.44

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Solution

The fourth proportional to 37,148.16, 51,264.32 and 20,381.44 is: 28,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,148.16 : 51,264.32 = 20,381.44 : x
  2. Step 2: Convert to fraction form
    37,148.16/51,264.32 = 20,381.44/x
  3. Step 3: Cross multiply
    37,148.16x = 51,264.32 × 20,381.44
  4. Step 4: Simplify right side
    37,148.16x = 1,044,840,662.22
  5. Step 5: Solve for x
    x = 1,044,840,662.22/37,148.16
  6. Step 6: Final answer
    x = 28,126.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.